i965/meta: initialize values to avoid random behaviour on error path

if brw_meta_stencil_blit() errored at wrong place 'target' would
be uninitialized and cause random behaviour on leaving the funtion.

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Eduardo Lima Mitev <elima@igalia.com>
Reviewed-by: Chad Versace <chad.versace@intel.com>

diff --git a/src/mesa/drivers/dri/i965/brw_meta_stencil_blit.c b/src/mesa/drivers/dri/i965/brw_meta_stencil_blit.c
index 7e0424846a5bc58ffb6600720859d8b06655a5ac..3cad1658d63f172164d0395d5d04d54320c6df8b 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_meta_stencil_blit.c
+++ b/src/mesa/drivers/dri/i965/brw_meta_stencil_blit.c
@@ -433,7 +433,7 @@ brw_meta_stencil_blit(struct brw_context *brw,
    struct gl_shader_program *prog;
    struct gl_framebuffer *drawFb = NULL;
    struct gl_renderbuffer *rb = NULL;
-   GLenum target;
+   GLenum target = 0;
 
    _mesa_meta_fb_tex_blit_begin(ctx, &blit);
    /* XXX: Pretend to support stencil textures so _mesa_base_tex_format()